CN217815433U - High corrosion resistance cold-drawn high-precision seamless steel tube - Google Patents
High corrosion resistance cold-drawn high-precision seamless steel tube Download PDFInfo
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- CN217815433U CN217815433U CN202221248179.9U CN202221248179U CN217815433U CN 217815433 U CN217815433 U CN 217815433U CN 202221248179 U CN202221248179 U CN 202221248179U CN 217815433 U CN217815433 U CN 217815433U
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Abstract
The utility model discloses a high-precision seamless steel pipe of cold drawing of high corrosion resistance relates to the steel pipe field, including seamless steel pipe main part, seamless steel pipe main part's inner wall is fixed with the strengthening rib, the inner wall of seamless steel pipe main part and the lateral surface of strengthening rib all are provided with interior anticorrosive coating, the outside of seamless steel pipe main part is provided with compound winding compressive layer, the outside of compound winding compressive layer is provided with the wearing layer, compound winding compressive layer includes vertical winding layer, the outside on vertical winding layer is provided with annular winding layer, the outside on annular winding layer is provided with alternately winding layer, sealed lid has all been cup jointed at the both ends of seamless steel pipe main part. The utility model discloses a be provided with compound winding compressive layer at the outer wall of seamless steel pipe main part, compound winding compressive layer comprises vertical winding layer, annular winding layer and alternately winding layer, has improved the compressive strength of seamless steel pipe main part greatly, and has improved the corrosion resisting property of seamless steel pipe main part.
Description
Technical Field
The utility model relates to a steel pipe field, concretely relates to high-accuracy seamless steel pipe of cold drawing of high corrosion resistance.
Background
A steel pipe made of a single piece of metal without a seam on the surface is called a seamless steel pipe. The seamless steel pipe has a hollow cross section and is used as a large amount of fluid-conveying pipes, and compared with solid steel such as round steel, the seamless steel pipe has the same bending strength and torsion strength and lighter weight, and is economical cross section steel. According to the production method, the seamless pipe is divided into a hot rolled pipe, a cold drawn pipe, an extruded pipe, a pipe jacking, and the like. The seamless steel pipe has wide application. The general purpose seamless steel pipe is rolled from common carbon structural steel, low alloy structural steel or alloy structural steel, has the highest yield, and is mainly used as a pipeline or a structural part for conveying fluid. The general production process of the seamless steel tube can be divided into cold drawing and hot rolling, and the production flow of the cold rolling seamless steel tube is generally more complicated than that of the hot rolling.
At present, the existing high-precision seamless steel pipe is generally a steel pipe made of a single material, the corrosion resistance of the existing high-precision seamless steel pipe is poor, although a simple corrosion-resistant coating is plated on the surface of the existing high-precision seamless steel pipe, when the coating is easily worn, the corrosion resistance is not high, the structural strength is low, and the cycle of the high-precision seamless steel pipe is short.
Therefore, it is necessary to solve the above problems by inventing a cold-drawn high-precision seamless steel pipe having high corrosion resistance.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a high-accuracy seamless steel pipe of cold drawing of high corrosion resistance to the corrosion resisting property who proposes in solving above-mentioned background art is poor, though the surface has plated simple anticorrosive coating, wears and teares when the coating is easy, and anticorrosive property is not high, and structural strength is low, makes high-accuracy seamless steel pipe make the problem that the cycle is short.
In order to achieve the above object, the present invention provides the following technical solutions: the utility model provides a high-accuracy seamless steel pipe of cold drawing of high corrosion resistance, includes seamless steel pipe main part, the inner wall of seamless steel pipe main part is fixed with the strengthening rib, the inner wall of seamless steel pipe main part and the lateral surface of strengthening rib all are provided with interior anticorrosive coating, the outside of seamless steel pipe main part is provided with compound winding compressive layer, the outside of compound winding compressive layer is provided with the wearing layer, compound winding compressive layer is including vertical winding layer, vertical winding layer sets up on the lateral wall of seamless steel pipe main part, it links to each other to permeate the bonding through the resin between vertical winding layer and the seamless steel pipe main part, the outside on vertical winding layer is provided with annular winding layer, it links to each other to permeate the bonding through the resin between annular winding layer and the vertical winding layer, the outside of annular winding layer is provided with alternately winding layer, it sets up to alternately winding layer's the outside, sealed lid has all been cup jointed at the both ends of seamless steel pipe main part, the equidistant lug that is fixed with in the outside of sealed wall.
Preferably, the quantity of strengthening rib is provided with a plurality ofly, and is a plurality of the strengthening rib is that the inner wall along seamless steel pipe main part is annular array and distributes, the cross-section of strengthening rib sets up to the arc, integration cold drawing machine-shaping has improved the structural strength and the compressive property of seamless steel pipe main part through a plurality of strengthening ribs between strengthening rib and the seamless steel pipe main part.
Preferably, the longitudinal winding layer is formed by longitudinally laying glass fiber roving along the outer side wall of the seamless steel tube main body after the glass fiber roving is soaked by resin, so that the longitudinal winding layer and the seamless steel tube main body are firmly connected, the longitudinal tensile strength of the seamless steel tube main body is improved, and the corrosion resistance of the seamless steel tube main body is improved.
Preferably, the annular winding layer is formed by transversely winding and laying carbon fiber twistless roving after being soaked by resin along the surface of the longitudinal winding layer, so that the annular winding layer and the longitudinal winding layer are firmly connected, the annular compression strength of the seamless steel pipe main body is improved, and the corrosion resistance of the seamless steel pipe main body is improved.
Preferably, the cross winding layer is formed by the glass fiber roving after being soaked by resin and then is formed by cross winding on the surface of the annular winding layer, so that the cross winding layer and the annular winding layer are firmly connected, the radial compressive strength of the seamless steel pipe main body is improved, and the corrosion resistance of the seamless steel pipe main body is improved.
Preferably, the wear-resistant layer is formed by impregnating and bonding wear-resistant powder on the surface of the cross winding layer through resin, so that the wear-resistant layer and the cross winding layer are firmly connected, the wear resistance of the seamless steel pipe main body is improved, the inner anti-corrosion layer is a zinc coating, the anti-corrosion performance of the inner wall of the seamless steel pipe main body is improved, and the service life of the seamless steel pipe main body is prolonged.
Preferably, the sealing cover is arranged to be disc-shaped, one side, close to the seamless steel pipe body, of the sealing cover is provided with a circular groove, the end of the seamless steel pipe body is nested in the circular groove, the sealing cover is made of rubber materials and is respectively sleeved at the two ends of the seamless steel pipe body through the two sealing covers, impurities can be prevented from entering the pipe wall, and the inside cleanness of the seamless steel pipe body is guaranteed.
Preferably, a handle is fixed in the middle of one side, away from the seamless steel tube main body, of the sealing cover, the sealing cover can be conveniently taken down from the seamless steel tube main body through the handle, and the bump, the handle and the sealing cover are integrally machined and formed, so that the sealing cover is simple to machine and firm in connection.
In the technical scheme, the utility model provides a technological effect and advantage:
1. the inner wall of the seamless steel pipe main body is provided with the inner anti-corrosion layer, the inner anti-corrosion layer is a zinc coating, the anti-corrosion performance of the inner wall of the seamless steel pipe main body is improved, the outer wall of the seamless steel pipe main body is provided with the composite winding pressure-resistant layer, the composite winding pressure-resistant layer is composed of the longitudinal winding layer, the annular winding layer and the cross winding layer, and the longitudinal winding layer, the annular winding layer and the cross winding layer are sequentially laid on the outer wall of the seamless steel pipe main body, so that the compressive strength of the seamless steel pipe main body is greatly improved, the anti-corrosion performance of the seamless steel pipe main body is improved, the seamless steel pipe main body has high corrosion resistance, and the service cycle of the seamless steel pipe main body is long;
2. the wear-resistant layer is arranged on the outer side of the composite winding pressure-resistant layer, so that the wear resistance of the composite winding pressure-resistant layer can be improved, the wear resistance of the seamless steel pipe main body is improved, the reinforcing ribs are fixed on the inner wall of the seamless steel pipe main body at equal intervals along the circumferential direction, the structural strength of the seamless steel pipe main body is improved, and the service cycle of the seamless steel pipe main body is long;
3. the sealing covers are sleeved at the two ends of the seamless steel pipe main body, so that the two ends of the seamless steel pipe main body can be sealed, impurities are prevented from entering the pipe wall, and the interior of the seamless steel pipe main body is ensured to be clean;
4. the convex blocks are fixed on the outer circumferential wall of the sealing cover at equal intervals, so that the seamless steel tube main body is placed stably and not easy to slide, conveying of the seamless steel tube main body is facilitated, and when the seamless steel tube main body is stacked, the adjacent seamless steel tube main bodies are not in direct contact through the convex blocks, and abrasion caused by mutual friction of the adjacent seamless steel tube main bodies is avoided.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the seamless steel tube of the present invention;
figure 3 is a front view of the present invention in figure 2;
FIG. 4 is a cross-sectional view of the composite wound anti-compression layer of the present invention;
fig. 5 is a schematic view of the sealing cover of the present invention.
Description of the reference numerals:
the steel pipe comprises a seamless steel pipe body 1, reinforcing ribs 2, an inner anticorrosive layer 3, a composite winding pressure-resistant layer 4, a wear-resistant layer 5, a longitudinal winding layer 6, an annular winding layer 7, a cross winding layer 8, a sealing cover 9, a circular groove 10, a handle 11 and a lug 12.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.
The utility model provides a high-precision seamless steel pipe of cold drawing as shown in fig. 1-4, including seamless steel pipe main part 1, seamless steel pipe main part 1's the outside is provided with compound winding compressive layer 4, compound winding compressive layer 4 includes vertical winding layer 6, vertical winding layer 6 sets up on seamless steel pipe main part 1's lateral wall, it links to each other through resin saturation bonding between vertical winding layer 6 and the seamless steel pipe main part 1, the outside of vertical winding layer 6 is provided with annular winding layer 7, it links to each other through resin saturation bonding between annular winding layer 7 and the vertical winding layer 6, the outside of annular winding layer 7 is provided with alternately winding layer 8, it links to each other through resin saturation bonding between alternately winding layer 8 and the annular winding layer 7, wearing layer 5 sets up to alternately winding layer 8's the outside.
The longitudinal winding layer 6 is formed by longitudinally laying glass fiber roving after being soaked by resin along the outer side wall of the seamless steel tube main body 1, so that the longitudinal winding layer 6 and the seamless steel tube main body 1 are firmly connected, the longitudinal tensile strength of the seamless steel tube main body 1 is improved, and meanwhile, the corrosion resistance of the seamless steel tube main body 1 is improved.
The annular winding layer 7 is formed by transversely winding and laying carbon fiber untwisted roving after being soaked by resin along the surface of the longitudinal winding layer 6, so that the annular winding layer 7 and the longitudinal winding layer 6 are firmly connected, the annular compressive strength of the seamless steel pipe main body 1 is improved, and the corrosion resistance of the seamless steel pipe main body 1 is improved.
The cross winding layer 8 is formed by glass fiber roving after being soaked by resin and then is formed by cross winding on the surface of the annular winding layer 7, so that the cross winding layer 8 and the annular winding layer 7 are firmly connected, the radial compressive strength of the seamless steel pipe main body 1 is improved, and the corrosion resistance of the seamless steel pipe main body 1 is improved.
The outer side of the composite winding anti-pressure layer 4 is provided with a wear-resistant layer 5, the wear-resistant layer 5 is formed by soaking wear-resistant powder in resin and bonding the wear-resistant powder on the surface of the cross winding layer 8, so that the wear-resistant layer 5 and the cross winding layer 8 are firmly connected, and the wear resistance of the seamless steel pipe main body 1 is improved.
The inner wall of seamless steel pipe main part 1 is fixed with strengthening rib 2, the inner wall of seamless steel pipe main part 1 and the lateral surface of strengthening rib 2 all are provided with interior anticorrosive coating 3, interior anticorrosive coating 3 is the galvanizing coat, has improved the corrosion resisting property of seamless steel pipe main part 1 inner wall, has improved the life of seamless steel pipe main part 1, the quantity of strengthening rib 2 is provided with a plurality ofly, and is a plurality of strengthening rib 2 is that the inner wall along seamless steel pipe main part 1 is annular array and distributes, the cross-section of strengthening rib 2 sets up to the arc, integration cold drawing machine-shaping between strengthening rib 2 and the seamless steel pipe main part 1 has improved the structural strength and the compressive property of seamless steel pipe main part 1 through a plurality of strengthening ribs 2.
The implementation mode is specifically as follows: the composite winding pressure-resistant layer 4 is arranged on the outer side of the seamless steel pipe main body 1, the composite winding pressure-resistant layer 4 is composed of a longitudinal winding layer 6, an annular winding layer 7 and a cross winding layer 8, the longitudinal winding layer 6 is formed by longitudinally laying glass fiber roving after being soaked by resin along the outer side wall of the seamless steel pipe main body 1, the annular winding layer 7 is formed by transversely and circularly laying the carbon fiber roving after being soaked by resin along the surface of the longitudinal winding layer 6, the cross winding layer 8 is formed by crosswise winding the glass fiber roving after being soaked by resin on the surface of the annular winding layer 7, so that the composite winding pressure-resistant layer 4 and the seamless steel pipe main body 1 are firmly and stably connected, and the longitudinal tensile strength, the circumferential compressive strength and the radial compressive strength of the seamless steel pipe main body 1 are improved through the longitudinal winding layer 6, the annular winding layer 7 and the cross winding layer 8, the composite winding compression-resistant layer 4 consisting of the longitudinal winding layer 6, the annular winding layer 7 and the cross winding layer 8 has high corrosion resistance and wear resistance, the compressive strength, the corrosion resistance and the wear resistance of the seamless steel pipe main body 1 are improved, the reinforcing ribs 2 are fixed on the inner wall of the seamless steel pipe main body 1 at equal intervals along the circumferential direction, the structural strength of the seamless steel pipe main body 1 is improved, the inner corrosion-resistant layer 3 is arranged on the inner wall of the seamless steel pipe main body 1 and the outer side surface of the reinforcing ribs 2, the inner corrosion-resistant layer 3 is a zinc coating, the corrosion resistance of the inner wall of the seamless steel pipe main body 1 is improved, the cold-drawn high-precision seamless steel pipe has high corrosion resistance, high compression resistance and wear resistance, the service cycle of the cold-drawn high-precision seamless steel pipe is long, and the embodiment specifically solves the problems that the corrosion resistance is poor and the surface is plated with a simple corrosion-resistant coating in the prior art, when the coating is easy to wear, the corrosion resistance is not high, and the structural strength is low, so that the high-precision seamless steel pipe has a short cycle.
As shown in fig. 1 and 5, sealing covers 9 are sleeved at both ends of the seamless steel pipe body 1, bumps 12 are fixed on the outer circumferential wall of each sealing cover 9 at equal intervals, each sealing cover 9 is set to be a disc shape, a circular groove 10 is formed in one side, close to the seamless steel pipe body 1, of each sealing cover 9, the end of the seamless steel pipe body 1 is nested in the circular groove 10, the sealing covers 9 are made of rubber materials, and the two sealing covers 9 are sleeved at both ends of the seamless steel pipe body 1 respectively, so that impurities can be prevented from entering the pipe wall, and the inside of the seamless steel pipe body 1 can be cleaned.
The middle part of one side of the sealing cover 9, which is far away from the seamless steel pipe main body 1, is fixed with the handle 11, the sealing cover 9 can be conveniently taken down from the seamless steel pipe main body 1 through the handle 11, and the bump 12, the handle 11 and the sealing cover 9 are integrally processed and formed, so that the processing is simple, and the connection is firm.
The implementation mode is specifically as follows: all cup jointed sealed lid 9 at seamless steel pipe main part 1's both ends, sealed lid 9 adopts the rubber material processing to make, good flexibility, the leakproofness is good, sealed lid 9 can seal the both ends of seamless steel pipe main part 1, avoid in impurity gets into the pipe wall, guarantee the inside cleanness of seamless steel pipe main part 1, and stimulate handle 11 in the sealed lid 9 outside, be convenient for take off sealed lid 9 from seamless steel pipe main part 1, it is very convenient, and the equidistant lug 12 that is fixed with of outside circumference wall of sealed lid 9, when seamless steel pipe main part 1 is placed, lug 12 on the sealed lid 9 through seamless steel pipe main part 1 both ends increases the direct frictional force with the contact, it is stable to place when making seamless steel pipe main part 1 place, difficult slip, be favorable to the transport of seamless steel pipe main part 1, and when seamless steel pipe main part 1 stacks, can separate adjacent seamless steel pipe main part 1 through lug 12, avoid two adjacent seamless steel pipe main part 1 direct contact looks mutual friction to cause wearing and tearing, seamless steel pipe main part 1 has been protected.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.
Claims (8)
1. The utility model provides a high-accuracy seamless steel pipe of cold drawing of high corrosion resistance, includes seamless steel pipe main part (1), its characterized in that: the inner wall of seamless steel pipe main part (1) is fixed with strengthening rib (2), the inner wall of seamless steel pipe main part (1) and the lateral surface of strengthening rib (2) all are provided with interior anticorrosive coating (3), the outside of seamless steel pipe main part (1) is provided with compound winding compressive layer (4), the outside of compound winding compressive layer (4) is provided with wearing layer (5), compound winding compressive layer (4) is including vertical winding layer (6), vertical winding layer (6) set up on the lateral wall of seamless steel pipe main part (1), it links to each other to permeate through the resin between vertical winding layer (6) and the seamless steel pipe main part (1) bonding, the outside of vertical winding layer (6) is provided with annular winding layer (7), it links to permeate through the resin bonding between annular winding layer (7) and vertical winding layer (6) bonding, the outside of annular winding layer (7) is provided with alternately layer (8), alternately twine and link to permeate through the resin between layer (8) and connect to permeate through the resin between alternately winding layer (7) and link to each other, the sealed wall (9) of the outside of seamless steel pipe all has sealed lid (9), sealed cap (9) the equal interval of lug (12).
2. The high corrosion resistance cold drawn high precision seamless steel tube according to claim 1, characterized in that: the quantity of strengthening rib (2) is provided with a plurality ofly, and is a plurality of the inner wall that strengthening rib (2) are along seamless steel pipe main part (1) is annular array and distributes, the cross-section of strengthening rib (2) sets up to the arc, integration cold drawing machine-shaping between strengthening rib (2) and seamless steel pipe main part (1).
3. The high corrosion resistance cold drawn high precision seamless steel tube according to claim 1, characterized in that: the longitudinal winding layer (6) is formed by longitudinally laying glass fiber roving after being soaked by resin along the outer side wall of the seamless steel pipe main body (1).
4. The high corrosion resistance cold drawn high precision seamless steel tube according to claim 1, characterized in that: the annular winding layer (7) is formed by transversely and circularly paving carbon fiber roving after being soaked by resin along the surface of the longitudinal winding layer (6).
5. The high corrosion resistance cold drawn high precision seamless steel tube according to claim 1, characterized in that: the cross winding layer (8) is formed by cross winding glass fiber roving after being soaked by resin on the surface of the annular winding layer (7).
6. The high corrosion resistance cold drawn high precision seamless steel tube according to claim 1, characterized in that: the wear-resistant layer (5) is formed by impregnating wear-resistant powder on the surface of the crossed winding layer (8) through resin and bonding, and the inner anti-corrosion layer (3) is a zinc coating.
7. The high corrosion resistance cold drawn high precision seamless steel tube according to claim 1, characterized in that: the sealing cover (9) is arranged in a disc shape, a circular groove (10) is formed in one side, close to the seamless steel pipe body (1), of the sealing cover (9), the end of the seamless steel pipe body (1) is nested in the circular groove (10), and the sealing cover (9) is made of rubber materials in a processing mode.
8. The high corrosion resistance cold drawn high precision seamless steel tube according to claim 7, characterized in that: the middle of one side, away from the seamless steel pipe body (1), of the sealing cover (9) is fixed with a handle (11), and the lug (12), the handle (11) and the sealing cover (9) are integrally machined and formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221248179.9U CN217815433U (en) | 2022-05-24 | 2022-05-24 | High corrosion resistance cold-drawn high-precision seamless steel tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221248179.9U CN217815433U (en) | 2022-05-24 | 2022-05-24 | High corrosion resistance cold-drawn high-precision seamless steel tube |
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| Publication Number | Publication Date |
|---|---|
| CN217815433U true CN217815433U (en) | 2022-11-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221248179.9U Active CN217815433U (en) | 2022-05-24 | 2022-05-24 | High corrosion resistance cold-drawn high-precision seamless steel tube |
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|---|---|
| CN (1) | CN217815433U (en) |
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- 2022-05-24 CN CN202221248179.9U patent/CN217815433U/en active Active
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